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Anonymous Posted on Jan 02, 2010

Would this work or burn out fans? Amps on one fan is 1.5 and the other is 5 amps I want to run a 12/2 wire from the panel and to the duplex switch and tie it into a 12/3 wire that goes to switch to fans. The black hot wire on the 12/2 would go to the black common feed screw with fin attached and ground to green screw. The white wire would be tied into the white wire on the 12/3. The wires on the 12/3,ground to ground wires at switch, red to top gold screw for fan 1 and black to bottom screw for fan two.The white wire would continue on to a junction box The red ,black and ground of the same 12/3 wire would also go to the junction box. From the junction box, the red wire would tie into black wire from fan 1. The black wire would tie into the black wire on fan 2. Both white wires from fans 1 and 2 would tie into white wire at junction box. The ground wires from fans 1 and 2 would also tie into the ground wire at JB

  • Anonymous Jan 02, 2010

    Would this work or burn out fans? Amps on one fan is 1.5 and the other is 5 amps I want to run a 12/2 wire from the panel and to the duplex switch and tie it into a 12/3 wire that goes to switch to fans. The black hot wire on the 12/2 would go to the black common feed screw with fin attached and ground to green screw. The white wire would be tied into the white wire on the 12/3. The wires on the 12/3,ground to ground wires at switch, red to top gold screw for fan 1 and black to bottom screw for fan two.The white wire would continue on to a junction box The red ,black and ground of the same 12/3 wire would also go to the junction box. From the junction box, the red wire would tie into black wire from fan 1. The black wire would tie into the black wire on fan 2. Both white wires from fans 1 and 2 would tie into white wire at junction box. The ground wires from fans 1 and 2 would also tie into the ground wire at JB

  • Anonymous Jan 02, 2010

    Would this work or burn out fans? Amps on one fan is 1.5 and the other is 5 amps I want to run a 12/2 wire from the panel and to the duplex switch and tie it into a 12/3 wire that goes to switch to fans. The black hot wire on the 12/2 would go to the black common feed screw with fin attached and ground to green screw. The white wire would be tied into the white wire on the 12/3. The wires on the 12/3,ground to ground wires at switch, red to top gold screw for fan 1 and black to bottom screw for fan two.The white wire would continue on to a junction box The red ,black and ground of the same 12/3 wire would also go to the junction box. From the junction box, the red wire would tie into black wire from fan 1. The black wire would tie into the black wire on fan 2. Both white wires from fans 1 and 2 would tie into white wire at junction box. The ground wires from fans 1 and 2 would also tie into the ground wire at JB

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Anonymous

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  • Master 767 Answers
  • Posted on Jan 02, 2010
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This should work just fine as long as the breaker it is going to is at least 20 amps as this is the amount of amps that both fans would be drawing at once if the were both on. The 12/2 wire should be plenty to supply the 20 amps needed for the fans.

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  • Master 2,841 Answers
  • Posted on Jan 02, 2010
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Tell me what you are wanting to accomplish. Are you wanting to run each fan off a separate switch in the same duplex box? The reason I ask is because you are using 12/3 wire to the fans. If you are just going to have 2 switches then you are only going to have power to each fan from each switch. Therefore there is no need to run 12/3 wire. 12/2 is all that is needed and you would simply tie the fan and light wires to that one power source at the light/fan. Now if you are wanting to have a switch for the light and another switch for the fan at each location then that will take 4 switches. You can buy double stack switches and have 4 switches in a double gang box. Is this new construction or old? Please explain what you are wanting and I will be more than happy to explain how to wire it.

  • Anonymous Jan 02, 2010

    You can run these 2 fans on a 15 amp circuit using 14 gauge wire. I still would like to know what you are wanting before I tell you if this is ok or not.

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Related Questions:

0helpful
1answer

Controls, heating and turntable function normally, but there is an intermittent failure (approx 80 of the time) where the interior light and blower do not function when the microwave is operating .

follow this test and fix it; God bless you
1)

  1. Light bulbIf your microwave light bulb is not working, perhaps it has blown. The first step is to replace the bulb and power on the microwave. If this does not correct the issue, the next step is to check the socket and wiring to verify if that is the problem.
  2. Light bulb socket & main control boardIf your microwave light bulb is not working after the installation of a new bulb, check the light socket as well as the wiring to ensure they are properly operating. If these sources are functioning properly, the next step is to check for a faulty control board as a possible root cause to your microwave light bulb malfunction.
2)
  1. Exhaust fan motorIf your exhaust fan motor is not running, there are a couple of things that you can check involving the motor to locate the problem. After removing the fan motor, you can manually attempt to turn the fan blades with your hand. If the fan motor is working properly, the blades should spin effortlessly. If this does not occur and the blades are taught, the motor will need to be replaced. Secondly, the fan motor itself can burn out due to time and usage. Using an ohm meter, the exhaust fan motor should read open for continuity. If it does not, then the fan motor has expired and will need to be replaced.
  2. ThermostatAnother part that could cause the microwave exhaust fan to not work is a faulty thermostat. A thermostat gauges the air temperature, which activates the exhaust fan when required. If this part becomes flawed, the exhaust fan will not energize and the thermostat will need to be replaced.
  3. Main control boardIf your exhaust fan is still not working and the microwave fan motor, wiring, and thermostat are operating accurately, the root cause could be with the main control board. Replace the main control board.
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0helpful
1answer

The vent fan is not working but micro is. Replaced charcoal filter & reset still not working.

follow this steps and fix it. God bless you

  1. Exhaust fan motorIf your exhaust fan motor is not running, there are a couple of things that you can check involving the motor to locate the problem. After removing the fan motor, you can manually attempt to turn the fan blades with your hand. If the fan motor is working properly, the blades should spin effortlessly. If this does not occur and the blades are taught, the motor will need to be replaced. Secondly, the fan motor itself can burn out due to time and usage. Using an ohm meter, the exhaust fan motor should read open for continuity. If it does not, then the fan motor has expired and will need to be replaced.
  2. ThermostatAnother part that could cause the microwave exhaust fan to not work is a faulty thermostat. A thermostat gauges the air temperature, which activates the exhaust fan when required. If this part becomes flawed, the exhaust fan will not energize and the thermostat will need to be replaced.
  3. Main control boardIf your exhaust fan is still not working and the microwave fan motor, wiring, and thermostat are operating accurately, the root cause could be with the main control board. Replace the main control board.

Read more: http://www.appliancepartspros.com/repair-help/microwave-repair-help.html#12#ixzz2gURd1VtM
http://www.appliancepartspros.com
0helpful
1answer

We changed the charcoal filter & reset it. The vent fan still does not run. I cannot turn the vent on by pressing the vent button but the micro still heats up. What happened to the fan?

follow this steps and fix iT. God bless you


  1. Exhaust fan motorIf your exhaust fan motor is not running, there are a couple of things that you can check involving the motor to locate the problem. After removing the fan motor, you can manually attempt to turn the fan blades with your hand. If the fan motor is working properly, the blades should spin effortlessly. If this does not occur and the blades are taught, the motor will need to be replaced. Secondly, the fan motor itself can burn out due to time and usage. Using an ohm meter, the exhaust fan motor should read open for continuity. If it does not, then the fan motor has expired and will need to be replaced.
  2. ThermostatAnother part that could cause the microwave exhaust fan to not work is a faulty thermostat. A thermostat gauges the air temperature, which activates the exhaust fan when required. If this part becomes flawed, the exhaust fan will not energize and the thermostat will need to be replaced.
  3. Main control boardIf your exhaust fan is still not working and the microwave fan motor, wiring, and thermostat are operating accurately, the root cause could be with the main control board. Replace the main control board.

Read more: http://www.appliancepartspros.com/repair-help/microwave-repair-help.html#12#ixzz2gURd1VtM
http://www.appliancepartspros.com
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1answer

My 900 em do oven keeps over heating and switching off

follow thes steps and fix it.God bless you
Exhaust Fan Motor


If the exhaust fan does not run the fan motor might be bad. Remove the fan motor from the microwave oven and see if the blades can be turned by hand. They should turn very freely, if they're stiff the fan motor will need to be replaced. The fan motor can also burn out. To test this use an Ohm meter. The motor should have continuity. If it doesn't, replace it.
Thermostat


If the microwave exhaust fan is not working the thermostat might be defective. The thermostat senses the air temperature and turns on the fan as needed, if it's defective it won't turn on the fan. Watch our video on testing thermostats.
Main Control Board


If the microwave exhaust fan is not working check the exhaust fan motor and wiring. If they are good the main control board might be defective.1_24_2013_5_50_54_pm.gif1_24_2013_5_53_00_pm.jpg
0helpful
1answer

The fan turned on randomly and will not shut off

A make & model number would help...There could be a number of possible causes. The overheat saftey, depending on the make & model this senses ambiant heat on the frame / chassis, the door sensing interlock switch. Depening on the make & model the control board fan relay. All these could be shorted closed. Depening on how the fan switch is wired the on / off switch or the routing through the control board might be at issue. If the unit has a schematic it may help troubleshoot the issues.
2helpful
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I have a Frgidaire microwave model FMV156DCG just 3 years old. The very lowest door interlock switch (normally open & when door closed it closes the switch)) looks like it got hot and now won't work. I...

The unit normally draws about 13 amps of current when it's running, so it's not unusual for the wires to get warm.

A bad bottom door switch is very common in these units.

Once it's fixed, make sure no one opens the door while it's cooking. That causes premature switch failure.

Tell them to hit the "stop" pad first.

More info here:
http://031d26d.namesecurehost.com/mwd/doorsw.txt


Your model's base service manual is at our site here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
0helpful
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Whirlpool MH3184XP Microwave Turns On, Heats, but sounds like fans not working. 4 years old, fans worked fine until they seem not as loud anymore. The magnetron is working fine as it heats (did the 1 cup...

Suggest you pull the plug out, remove outer cover and place a cup of water into the micro. Set power to minimum then switch on and take note if the fan works or not. If not, switch off immediately and have it replaced(magnatron will burn out if left to run without fan.)
0helpful
1answer

Can a combination microwave/convection/exhaust fan appliance which draws 1500 volts and has a 3 prong grounded plug be hard wired to panel and what size of copper wire to use

I assume that you mean 1500 Watts ?

which is 6.25 amps UK or 13.6 amps US

1.5mm UK 14 Gauge US

The National Electrical Code [NEC] requires their own cable sizing for premises wiring. Refer to the NEC rules to determine building wiring, as this page relates to electronic equipment wiring. For reference, the ampacity of copper wire at 300C for common wire sizes
14 AWG may carry a maximum of 20 Amps in free air, or 15 Amps as part of a 3 conductor cable.
12 AWG may carry a maximum of 25 Amps in free air, or 20 Amps as part of a 3 conductor cable.
10 AWG may carry a maximum of 40 Amps in free air, or 30 Amps as part of a 3 conductor cable.
8 AWG may carry a maximum of 70 Amps in free air, or 50 Amps as part of a 3 conductor cable.
0helpful
1answer

Everything seems to work but not heat

the switch is ok. if it was bad itt would blow the fuse. ge had magnetron problems on the 1600 series. if you have an amprobe and are getting 110 volts from the control to the transformer. place the probe around just 1 wire to the transformer. if you get less than 12 amps replace the mag
0helpful
2answers

Poor heating performance

I complement you on an exemplary report!
The drooping line voltage seems a little more than desired and you might want to try it on a different outlet, but doubtful the real problem. Microwave ovens are about the heavyist load that standard house wiring sees.
More likely the magnatron is just going bad especially if the fan hasn't been working and it has been running hot.
By the way, how old is it?
They are not too hard to replace yourself. Look on EBAY for "universal magnatron"
Hope Ya Fix it!
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